👉 Pseudocercidis is a type of crustacean that belongs to the family Cephalopoda, commonly known as octopuses or squid. They are characterized by their large size, typically reaching up to 10 inches (25 cm) in length and having five arms, which they attach to an external shell made of cartilage. Pseudocercidids are nocturnal and feed on small animals such as crustaceans, insects, and other cephalop